19 Questions 8 Answers 0 Followers
Questions related from Khalid Tayeb
I have TEM images of YSZ bulk consists of t phase of YSZ and c phase of YSZ. How can I distinguish between the t phase of YSZ and the c phase of YSZ using Gatan digital micrograph or other software?
12 December 2021 4,971 2 View
Although there is a formula used to calculate the cubic phase fraction and cubic volume fraction in Yttria stabilized Zirconia contains tetragonal and cubic phases, but I still need to understand...
16 January 2016 2,381 2 View
Hello everyone 1. I had calculated Molar mass of ZrO2 and it was ~ 123.2228 g/mol. and Molar mass of (Y2O3) and it was ~ 225.8099 g/mol. But I couldn't calculate Molar mass of ZrO2-Y2O3 2. Ho can...
06 December 2015 7,175 2 View
I have some ceramics samples (ZrO2), and I had already made bending strength for them, can I calculate the modulus of elasticity (Young's Modulus) from bending strength data? If I can how it can...
13 July 2015 8,945 9 View
Rotary CVD is a process to coat powder particles surface by smaller particles. I want use method to make a coat of 3 Y-YSZ around another powder particles surface, but I need to know 1. The...
11 July 2015 3,046 2 View
I want to get the modulus of elasticity (Young's Modulus) for ceramics materials (Zirconia). I want know how can I obtain it in details, such as available procedures and sample shape, dimensions...
03 June 2015 7,562 13 View
I had sintered many samples prepared using 3Y-YSZ nano size powder by PAS machine. SEM results for all samples showed an unusual microstructure. Also EDS detected that Cl is one of the...
24 January 2015 9,884 6 View
I had read many books and articles about ceramics and synthesis of ceramics powder and composite materials. I found the term matrix many times but I couldn't understand what is it and how can it...
05 January 2015 8,191 10 View
It is well known that fracture toughness can be detected using special devices and instruments. But if I want to calculate fracture toughness [for ceramics materials] from hardness test instead of...
26 December 2014 7,907 5 View
I want to coat ZrO2 - Y2O3 powder particles by the smallest particles. How can I functionalize the powder particle surface in order to coat it?
07 December 2014 8,987 5 View
I want to add polyvinyl alcohol (PVA) to ZrO2 Y2O3 powder in order to make it more coherent. How much PVA can I add to the powder and how can I mix them together? Can I use a ball milling machine...
03 December 2014 1,063 3 View
Who can hlep me and give me in details about Chemical methods which can be used to coat?
05 July 2014 3,202 3 View
My research is in ZrO2 Y2O3. I want to calculate the theoretical density of this material, but I do not know how I can exactly calculate it. There are different methods which you will find them...
12 May 2014 1,260 19 View
I made sintering to ZrO2 Y2O3 (Y 3 mol %) using efferent temperatures (1400 - 1500 - 1600 - 1700), different holding time (3h - 6h -12h) and different sintering techniques (in atmosphere furnace...
21 April 2014 551 8 View
I'm new with XRD pattern analysis. I used it for that Jade5 to detect the phase of ZrO2Y2O3 with 3mol% Y. After splintering in different temperatures and holding times, I found that there is only...
14 April 2014 6,905 4 View
I want to learn Jade5, which is used in XRD analysis. Is there any soft copy books or references? Also, it would be good to have tutorial videos.
17 January 2014 8,475 1 View
I want to do sintering for YSZ (Y 8 mol%). Sintering temperature ranging from 1400 oC to 2000 oC. Which method is better, Plasma Activated Sintering (PAS) or Spark Plasma Sintering (SPS)?
17 January 2014 5,632 1 View
Yttria is added to Zirconia for stabilization, but what are the effects if the amount increases or decreases? And what is the the minimum and maximum amount of Yttria to be added to Zirconia to...
02 January 2014 2,213 4 View
what is the suitable amount of Yttria to be added yo Zirconia?
20 December 2013 6,278 3 View
